US2869715A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous feeder apparatus
Assignee: BF Gump Co
•
Filing: 1957-04-29
•
Granted: 1959-01-20
•
Expires: 1977-04-29
Abstract
No abstract record available.
Inventors
- 👤 Ralph E Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:44
CPC Classifications
B; B65; B65G; B65G33/00; B65G33/08; B65G33/14; B65G33/18; B65G33/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US326769A
Cited
US339561A
Cited
GB232403A
Cited
US1880840A
Cited
US2126776A
Cited
US2119919A
Cited
US2459951A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-19 | 1962-07-21 | 1963-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-19 | 1966-07-21 | 1967-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-19 | 1970-07-21 | 1971-01-20 | $7700.00 | Window Closed / Lapsed |